CLEAN : Science unveils master painters' secrets

The video discusses a tool invented four decades ago for analyzing molecules in art, particularly effective for highly colored pigments. It introduces enhanced Raman scattering, a technique for identifying colors in microscopic samples. The video also explores how original colors in paintings can change over time, such as a vibrant yellow turning into a dull pinkish grey.

What is the primary purpose of the tool invented four decades ago?

• To enhance the brightness of colors in paintings

• To create new pigments for paintings

• To restore old paintings to their original state

• To analyze the molecular composition of paintings

Which type of molecules does the tool work best with?

• Transparent molecules

• Metallic molecules

• Highly colored molecules

• Colorless molecules

What is the enhanced Raman scattering technique used for?

• To identify the source of colors in microscopic samples

• To create larger samples of paint

• To increase the size of paintings

• To remove unwanted colors from paintings

What happens to the original yellow color in the painting over time?

• It changes to a vibrant blue

• It fades completely

• It turns into a dull pinkish grey

• It becomes brighter

What covers the original yellow color in the painting?

• A coat of varnish

• A layer of new paint

• A layer of dust

• A thick so grazie crust